2891855785

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 4550515200

約数和(自身を除く): 1658659415

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 131, 145, 203, 239, 245, 377, 455, 637, 655, 917, 1015, 1195, 1421, 1673, 1703, 1885, 2639, 3107, 3185, 3799, 4585, 6419, 6931, 7105, 8365, 8515, 11711, 11921, 13195, 15535, 18473, 18995, 21749, 26593, 31309, 32095, 34655, 48517, 49387, 58555, 59605, 83447, 90103, 92365, 108745, 132965, 152243, 156545, 186151, 219163, 242585, 246935, 339619, 345709, 407017, 417235, 450515, 630721, 761215, 907961, 930755, 1095815, 1534141, 1698095, 1728545, 2035085, 2419963, 2849119, 3153605, 4415047, 4539805, 6355727, 7670705, 11803493, 12099815, 14245595, 19943833, 22075235, 31778635, 44490089, 59017465, 82624451, 99719165, 222450445, 413122255, 578371157, 2891855785]

約数ペア:

[(1, 2891855785), (5, 578371157), (7, 413122255), (13, 222450445), (29, 99719165), (35, 82624451), (49, 59017465), (65, 44490089), (91, 31778635), (131, 22075235), (145, 19943833), (203, 14245595), (239, 12099815), (245, 11803493), (377, 7670705), (455, 6355727), (637, 4539805), (655, 4415047), (917, 3153605), (1015, 2849119), (1195, 2419963), (1421, 2035085), (1673, 1728545), (1703, 1698095), (1885, 1534141), (2639, 1095815), (3107, 930755), (3185, 907961), (3799, 761215), (4585, 630721), (6419, 450515), (6931, 417235), (7105, 407017), (8365, 345709), (8515, 339619), (11711, 246935), (11921, 242585), (13195, 219163), (15535, 186151), (18473, 156545), (18995, 152243), (21749, 132965), (26593, 108745), (31309, 92365), (32095, 90103), (34655, 83447), (48517, 59605), (49387, 58555)]